April 19, 2019, 04:45:00 AM
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Topic: Re-oxidation of Iron oxide catalyst after reduction during the haber process  (Read 2375 times)

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Offline Samyunisa

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I wanted to find out how to prevent re-oxidation of fused iron oxide after reduction during ammonia synthesis?

Offline chenbeier

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Does it get really reduced? Definition: A catalyst accelerates a reaction, but itself it will be appears unchanged after the reaction tooks place.

*mod edit to fix typos for clarity
« Last Edit: January 31, 2018, 07:17:11 AM by wildfyr »

Offline adson

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Haber process is a continuous process of ammonia synthesis. Catalyst will be always in environment of hydrogen:nitrogen~(3:1) composition. Since hydrogen composition will always keep catalyst in reduced form. Even if the process is stopped due to some unwanted reasons, catalyst will not oxidise for the reason that its a closed system and runs at high pressures. Just one precaution is to be taken that is not to ingress atmospheric air or compressed air by any means.

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